﻿// Copyright (c) 2008, Colin Burn
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 
// * Neither the name of WTCL nor the names of its contributors may be
// used to endorse or promote products derived from this software
// without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
// DAMAGE.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WTCL.Data.Type
{
    public struct DoubleDataType : IDataType<double, double>
    {
        private double value;

        public DoubleDataType(double value)
        {
            this.value = value;
        }

        public bool Equals(IDataType<double, double> data)
        {
            return this.value.Equals(data.Value);
        }

        public IDataType<double, double> Abs()
        {
            return new DoubleDataType(Math.Abs(this.value));
        }


        public IDataType<double, double> Add(double value)
        {
            return new DoubleDataType(value + this.value);
        }

        public IDataType<double, double> Sub(double value)
        {
            return new DoubleDataType(this.value - value);
        }

        public double Sub(IDataType<double, double> value)
        {
            return this.value - value.Value;
        }

        public double GetRatio(IDataType<double, double> min, IDataType<double, double> max)
        {
            double assumedMin = min == null ? 0 : min.Value;
            double assumedMax = max == null ? 0 : max.Value;

            return (this.value - assumedMin) / (assumedMax - assumedMin);
        }

        public bool LessThanOrEqual(IDataType<double, double> value)
        {
            return this.value <= value.Value;
        }

        public bool LessThan(IDataType<double, double> value)
        {
            return this.value < value.Value;
        }

        public bool GreaterThanOrEqual(IDataType<double, double> value)
        {
            return this.value >= value.Value;
        }

        public bool GreaterThan(IDataType<double, double> value)
        {
            return this.value > value.Value;
        }

        public double Value
        {
            get { return this.value; }
        }

        public override string ToString()
        {
            return this.value.ToString();
        }
    }
}
